Koehler K23900 Guide
operation and instruction manual
K23900
Kinematic Viscosity Bath
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K23900 Kinematic Viscosity Bath
Operation and Instruction Manual
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K23900 Kinematic Viscosity Bath
Operation and Instruction Manual
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CERTIFICATE OF CONFORMANCE
Kinematic Viscosity Bath
K23900
This certificate verifies that part numbers K23900, Kinematic Viscosity Bath, was manufactured in conformance with the
applicable standards set forth in this certification.
Specifications: ASTM D445
ASTM D2170
ASTM D6074
ASTM D6158
IP 71
ISO 3104
DIN 51550
FTM 791-305
NF T 60-100
This unit is tested before it leaves the factory, to ensure total functionality and compliance to the above specifications
and ASTM standards. Test and inspection records are on file for verification.
Vincent Colantuoni
Product Manager
Koehler Instrument Company, Inc.
1595 Sycamore Ave.
Bohemia, NY 11716
United States of America
Serial Number: ________________________
Date: ________________________________
K23900 Kinematic Viscosity Bath
Operation and Instruction Manual
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K23900 Kinematic Viscosity Bath
Operation and Instruction Manual
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K23900 Kinematic Viscosity Bath
Operation and Instruction Manual
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K23900 Kinematic Viscosity Bath
Operation and Instruction Manual
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Table of Contents
1. Introduction 2
1.1. Koehler’s Commitment to Our Customers 2
1.2. Recommended Resources and Publications 2
1.3. Instrument Specifications 3
2. Safety Information and Warnings 3
3. Getting Started 3
3.1. Packing List 3
3.2. Unpacking 3
3.3. Setup 4
4. Descriptions 5
4.1. Instrument Controls 5
4.2. Accessories for Running Tests 6
4.3. Temperature Controller Operation 8
4.4. Recommended Accessories 9
5. Operation 9
5.1. Bath 9
5.2. Power 10
5.3. Starting a Test 10
6. Safety Features 11
6.1. Over-Temperature Protection 11
6.2. Low Fluid Level Protection 11
7. Maintenance 11
7.1. Routine Maintenance 11
7.2. Bath Cleaning 11
7.3. Draining / Changing Bath Medium 12
7.4. Replacement Parts 12
8. Troubleshooting 12
8.1. Unit does not power up 12
8.2. Unit is on but bath dose not heat up 12
8.3. Bath heats up but temperature does not stabilize 12
9. Service 13
10. Storage 13
11. Disposal 13
12.1 General Recycling Information 13
12.2. Disposal Information 13
12. Warranty 14
13. Returned Goods Policy 14
Notes 17
K23900 Kinematic Viscosity Bath
Operation and Instruction Manual
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1. Introduction
The Koehler K23900 Kinematic Viscosity System maintains constant fluid level with up to 7 viscometers. Separate boost and
control heaters allow quick heating to setpoint temperature and fine bath temperature control. Internal stirrer and baffling assure
uniform bath temperature distribution. The K23900 complies with ASTM D445 temperature stability and uniformity requirements.
This manual provides important information regarding safety, technical reference, installation requirements, operating condition
specifications, user facility resource requirements, and operating instructions for the Kinematic Viscosity Instrument. This
manual should also be used in conjunction with applicable published laboratory procedures. Information on these procedures is
given in section 1.2.
1.1. Koehler’s Commitment to Our Customers
Providing quality testing instrumentation and technical support services for research and testing laboratories has been our
specialty for almost 100 years. At Koehler, the primary focus of our business is providing you with the full support of your laboratory
testing needs. Our products are backed by our staff of technically knowledgeable, trained specialists who are experienced in both
petroleum products testing and instrument service to better understand your requirements and provide you with the best solutions.
You can depend on Koehler for a full range of accurate and reliable instrumentation as well as support for your laboratory testing
programs. Please do not hesitate to contact us at any time with your inquiries about equipment, tests, or technical support.
Toll Free: 1-800-878-9070 (US only)
Tel: +1 631 589 3800
Fax: +1 631 589 3815
Email: [email protected]
http://www.koehlerinstrument.com
1.2. Recommended Resources and
Publications
1. American Society for Testing and Materials (ASTM)
100 Barr Harbor Drive
WestConshohocken,Pennsylvania19428-2959, USA
Tel: +1 610 832 9500
Fax: +1 610 832 9555
http://www.astm.org
ASTM Publication:
•ASTM D445: Kinematic Viscosity of Transparent and
Opaque Liquids (and the Calculation of Dynamic
Viscosity)
•ASTM D2170: Kinematic Viscosity of Asphalts
(Bitumens)
•ASTM D6074: Standard Guide for Characterizing
Hydrocarbon Lubricant Base Oils
•ASTM D6158: Standard Specification for Mineral
Hydraulic Oils
2. International Organization for Standardization (ISO)
1, rue de Varembé
Case postale 56
CH-1211 Geneva 20, Switzerland
Tel: 41 22 749 01 11
Fax: 41 22 733 34 30
http://www.iso.org
ISO Publication:
•ISO 3104: Petroleum products –Transparent and
opaque liquids –Determination of kinematic
viscosity and calculation of dynamic viscosity
3. Energy Institute (IP)
61 New Cavendish Street
London, WIM 8AR, United Kingdom
Tel: 44 (0)20 7467 7100
Fax: 44 (0)20 7255 1472
http://www.energyinstpubs.org.uk/
IP Publication:
•IP 71: Kinematic viscosity and calculation of dynamic
viscosity
•IP 319: Kinematic viscosity of bitumens
4. Deutsche International Norm (DIN)
http://www.din.de
DIN Publication:
•DIN 51550: Determination of Kinematic Viscosity and
Dynamic Viscosity
5. Federal Test Method (FTM)
FTM Publication:
•FTM 791-305: Kinematic Viscosity of Petroleum
Products
K23900 Kinematic Viscosity Bath
Operation and Instruction Manual
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6. Association Française de Normalisation (AFNOR)
http://www.afnor.fr
AFNOR Publication:
•NF T 60-100: Kinematic Viscosity of Petroleum
Products
1.3. Instrument Specifications
2. Safety Information and Warnings
Safety Considerations. The use of this equipment may involve hazardous materials and operations. This manual does not purport
to address all of the safety problems associated with the use of this equipment. It is the responsibility of any user of this equipment
to investigate, research, and establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
Equipment Modifications and Replacement Parts. Any modification or alteration of this equipment from that of factory
specifications is NOT recommended and will void the manufacturer warranty, product safety, performance specifications, and/or
certifications whether specified or implied, and may result in personal injury and/or property loss. Replacement parts must be
O.E.M. exact replacement equipment.
Models:
K23900
Electrical Requirements:
115VAC/12A –240VAC/6A,
50/60Hz
Temperature Range:
20 -105°C (68 - 221°F)
Setpoint Temperature:
Display Resolution: +/-0.1°C.
Adjustment Range: 20°C-105°C.
Bath Temperature:
Display resolution: +/-0.01⁰C
Display accuracy: +/-0.02⁰C after calibration
Bath stability: +/-0.02⁰C min/max
Bath uniformity: +/-0.02⁰C relative to set-point temperature
Viscometer Ports:
Seven (7) Round 2” (51mm) ports
Capacity:
Seven (7) Glass Capillary Viscometers
Bath Medium:
Silicone oil with a viscosity less than or equal to 10 cSt at
bath operating temperature and with flash point greater than
bath operating temperature.
NOTE: For best results, it is highly recommended to use
Silicone Oil offered by Koehler Instrument, Part Number
355-001-007 or 355-001-008.
Bath Medium Capacity:
21.6 L (5.7 gal)
Altitude:
Rated for use below 2000m
Environmental Conditions:
As per section 1.4.1 of IEC 61010
Unit Dimensions:
(HxWxD)
24.4 x 15.4 x 17.2 in.
62.0 x 39.1 x 43.7 cm.
72 lb / 33 kg
K23900 Kinematic Viscosity Bath
Operation and Instruction Manual
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Unit Design. This equipment is specifically designed for use in accordance with the applicable standard test methods listed in
section 1.2 of this manual. The use of this equipment in accordance with any other test procedures, or for any other purpose, is
not recommended and may be extremely hazardous.
Over Temperature Protection. This unit is equipped with Over Temperature Protection (OTP), which shuts the heaters and stirrer
motor off to prevent over-heating. Allow the bath to cool down, correct the cause of the problem, and reset the power to return to
normal operation.
Low Fluid Level Protection. This unit is equipped with Low Fluid Level Protection (LFL) to prevent operation with an insufficient
volume of bath medium. Fill the bath to the proper level and reset the power to the unit to return to normal operation.
Chemical Reagents Information. Chemicals and reagents used in performing the test may exhibit potential hazards. Any user
must be familiarized with the possible dangers before use. We also recommend consulting the Material Data and Safety Sheet
(MSDS) on each chemical reagent for additional information. MSDS information can be easily located on the internet at
http://siri.uvm.edu or http://www.sigma-aldrich.com.
3. Getting Started
The instructions for preparing the equipment assume that the user is aware of the contents of this document, which lists the
warranty conditions and important precautions.
3.1. Packing List
•K23900 Kinematic Viscosity Bath with 115V or 220V Line Cord
•Round Viscometer Port Cover (7)
•K23900 Kinematic Viscosity Bath Operation and Instruction Manual
3.2. Unpacking
1. Check labeling for correct orientation of instrument. (e.g. This Side Up)
2. Carefully open top of box with box cutter and remove packing foam.
3. Make two additional vertical cuts, using box cutter, along length of two sides of the box and remove packing foam.
4. Extract instrument and place on suitable cart for transportation to work area / lab bench.
WARNING: Be sure two or more individuals are available for extracting and lifting instrument from box to cart and from cart
to bench. Individuals must lift in accordance to proper technique. See Figure below.
5. Lift instrument from cart and place on bench.
6. Ensure that all parts listed on the packing list are present. Inspect the unit and all accessories for damage. If any damage is
found, keep all packing materials and immediately report the damage to the carrier. We will assist you with your claim, if
requested. When submitting a claim for shipping damage, request that the carrier inspect the shipping container and
equipment. Do not return goods to Koehler without written authorization.
Table of contents
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